Alprazolam: Uses, Dosage, Side Effects & Brands | MedexInfo
Alprazolam
Rx Only
Generic:Alprazolam
Therapeutic ClassBenzodiazepine
Common Dose0.25–0.5 mg 2–3 times daily
Max / 24h4 mg
PregnancyCategory D
Indications ▼
Generalized anxiety disorder (GAD)
Panic disorder with or without agoraphobia
Anxiety associated with depression
Mechanism & Pharmacokinetics ▼
Mechanism: Enhances the effect of the inhibitory neurotransmitter GABA by binding to the benzodiazepine site on GABA-A receptors, leading to CNS depression and anxiolytic, sedative, muscle relaxant effects.
Pharmacokinetics: Rapid oral absorption; peak plasma 1–2 hr; metabolized primarily in liver by CYP3A4; excreted in urine; half-life ~12–15 hr.
Dosage & Administration ▼
| Patient Category | Recommended Dose | Max / 24h |
|---|---|---|
| Adults | 0.25–0.5 mg orally 2–3 times daily; titrate as needed | 4 mg |
| Elderly / Debilitated | Start 0.25 mg 1–2 times daily | 2 mg |
| Children (≥6 yr) | Not routinely recommended; pediatric use under specialist guidance | Varies |
Note: Tablets may be taken with or without water; avoid abrupt discontinuation after prolonged use.
Side Effects ▼
Common: Drowsiness, sedation, fatigue, dizziness
Occasional: Dry mouth, blurred vision, GI upset
Rare: Paradoxical reactions (agitation, aggression), dependence, withdrawal symptoms, respiratory depression
Contraindications ▼
Hypersensitivity to benzodiazepines
Acute narrow-angle glaucoma
Severe respiratory insufficiency
Pregnancy (especially first trimester) unless clearly needed
Drug Interaction ▼
CYP3A4 inhibitors (ketoconazole, itraconazole, ritonavir) increase plasma levels
Alcohol and other CNS depressants: additive sedation
Other benzodiazepines: additive CNS depression
Pregnancy & Lactation ▼
Pregnancy Category D: risk of congenital malformations; use only if benefits outweigh risks
Excreted in breast milk; monitor infant for sedation
Clinical / Research Summary ▼
Anxiolytic Efficacy: Rapid reduction of anxiety symptoms in GAD and panic disorders; onset 30–60 min.
Panic Disorder Management: Decreases frequency and severity of panic attacks; improves quality of life.
Pharmacokinetic Advantage: Short half-life reduces morning sedation risk; suitable for PRN dosing in panic attacks.
Safety Profile: Generally well-tolerated; risk of dependence with prolonged use; monitor for CNS depression.
Current Research Focus: Long-term safety, tapering strategies, combination therapy with SSRIs, and cognitive-behavioral therapy adjuncts.
Storage & Handling ▼
Store at 20–25°C; protect from moisture & light
Keep out of reach of children
Patient Counseling Points ▼
Take tablets with or without water, preferably at the same time each day.
Avoid alcohol and other CNS depressants.
Do not stop abruptly; taper dose under medical supervision.
Report excessive sedation, confusion, or paradoxical reactions.
Store safely; risk of misuse or dependence.
Brand Names (Bangladesh & Global) ▼
Medical Disclaimer: This clinical summary is for informational purposes only. Always follow guidance from a qualified healthcare professional for dosage, interactions, and use.
Zolium
Xanax
Xanax
Alprax